Virginia Cooperative Extension Service. Roanoke County Office2015-02-092015-02-091980http://hdl.handle.net/10919/5128820 pagesapplication/pdfen-USVirginia Cooperative Extension materials are available for public use, re-print, or citation without further permission, provided the use includes credit to the author and to Virginia Cooperative Extension, Virginia Tech, and Virginia State University.LD5655 .A762BakingExtension publication6077859